text: '''
      jmath/physics/prefixes.py
  
      Author: Jordan Hay
      Date: 2021-07-22
  
      SI prefixes, kilo, yotta etc.
  '''
  
  # - Constants
  
  YOTTA = 1e24
  ZETTA = 1e21
  EXA = 1e18
  PETA = 1e15
  TERA = 1e12
  GIGA = 1e9
  MEGA = 1e6
  KILO = 1e3
  HECTO = 1e2
  DECA = 10
  DECI = 1e-1
  CENTI = 1e-2
  MILLI = 1e-3
  MICRO = 1e-6
  NANO = 1e-9
  PICO = 1e-12
  FEMTO = 1e-15
  ATTO = 1e-18
  ZEPTO = 1e-21
  YOCTO = 1e-24